linux-kernel - Re: [PATCH v1 2/9] fs/fuse: add FUSE_OWNER_UID_GID

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Message-ID: <CAJfpegvC9Ekp7+PUpmkTRsAvUq2pH2UMAHc7dOOCXAdbfHPvwg@mail.gmail.com>
Date: Thu, 29 Aug 2024 17:04:48 +0200
From: Miklos Szeredi <miklos@...redi.hu>
To: Aleksandr Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>
Cc: Christian Brauner <brauner@...nel.org>, mszeredi@...hat.com, stgraber@...raber.org, 
	linux-fsdevel@...r.kernel.org, Seth Forshee <sforshee@...nel.org>, 
	Amir Goldstein <amir73il@...il.com>, Bernd Schubert <bschubert@....com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 2/9] fs/fuse: add FUSE_OWNER_UID_GID_EXT extension

On Thu, 29 Aug 2024 at 16:39, Aleksandr Mikhalitsyn
<aleksandr.mikhalitsyn@...onical.com> wrote:

> So, your point is to set uid/gid to -1 for FUSE_{READ,WRITE,LOOKUP,RELEASE,...}?

Yes.  Not sure what will happen with those servers that check
permissions based on these values, but my guess is it's still better
than sending the unmapped value.

Thanks,
Miklos